Chile volcano ash cloud reaches Brazil, flights canceled

April 25, 2015 2:56 PM

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SANTIAGO (Reuters) - Ash from the Chilean volcano Calbuco, which erupted without warning this week, reached as far as southern Brazil on Saturday and prompted some airlines to cancel flights to the capitals of Chile, Argentina and Uruguay.

Calbuco, considered one of the most dangerous along Chile's chain of around 2,000 volcanoes, erupted twice in 24 hours on Wednesday and Thursday, sending up a spectacular 17-km-high (11 miles) cloud and coating nearby towns in a thick layer of gray ash.